20613600

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 216

約数和(自身を含む): 83275920

約数和(自身を除く): 62662320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 400, 409, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 800, 818, 840, 900, 1008, 1050, 1120, 1200, 1227, 1260, 1400, 1440, 1575, 1636, 1680, 1800, 2016, 2045, 2100, 2400, 2454, 2520, 2800, 2863, 3150, 3272, 3360, 3600, 3681, 4090, 4200, 4908, 5040, 5600, 5726, 6135, 6300, 6544, 7200, 7362, 8180, 8400, 8589, 9816, 10080, 10225, 11452, 12270, 12600, 13088, 14315, 14724, 16360, 16800, 17178, 18405, 19632, 20450, 22904, 24540, 25200, 25767, 28630, 29448, 30675, 32720, 34356, 36810, 39264, 40900, 42945, 45808, 49080, 50400, 51534, 57260, 58896, 61350, 65440, 68712, 71575, 73620, 81800, 85890, 91616, 92025, 98160, 103068, 114520, 117792, 122700, 128835, 137424, 143150, 147240, 163600, 171780, 184050, 196320, 206136, 214725, 229040, 245400, 257670, 274848, 286300, 294480, 327200, 343560, 368100, 412272, 429450, 458080, 490800, 515340, 572600, 588960, 644175, 687120, 736200, 824544, 858900, 981600, 1030680, 1145200, 1288350, 1374240, 1472400, 1717800, 2061360, 2290400, 2576700, 2944800, 3435600, 4122720, 5153400, 6871200, 10306800, 20613600]

約数ペア:

[(1, 20613600), (2, 10306800), (3, 6871200), (4, 5153400), (5, 4122720), (6, 3435600), (7, 2944800), (8, 2576700), (9, 2290400), (10, 2061360), (12, 1717800), (14, 1472400), (15, 1374240), (16, 1288350), (18, 1145200), (20, 1030680), (21, 981600), (24, 858900), (25, 824544), (28, 736200), (30, 687120), (32, 644175), (35, 588960), (36, 572600), (40, 515340), (42, 490800), (45, 458080), (48, 429450), (50, 412272), (56, 368100), (60, 343560), (63, 327200), (70, 294480), (72, 286300), (75, 274848), (80, 257670), (84, 245400), (90, 229040), (96, 214725), (100, 206136), (105, 196320), (112, 184050), (120, 171780), (126, 163600), (140, 147240), (144, 143150), (150, 137424), (160, 128835), (168, 122700), (175, 117792), (180, 114520), (200, 103068), (210, 98160), (224, 92025), (225, 91616), (240, 85890), (252, 81800), (280, 73620), (288, 71575), (300, 68712), (315, 65440), (336, 61350), (350, 58896), (360, 57260), (400, 51534), (409, 50400), (420, 49080), (450, 45808), (480, 42945), (504, 40900), (525, 39264), (560, 36810), (600, 34356), (630, 32720), (672, 30675), (700, 29448), (720, 28630), (800, 25767), (818, 25200), (840, 24540), (900, 22904), (1008, 20450), (1050, 19632), (1120, 18405), (1200, 17178), (1227, 16800), (1260, 16360), (1400, 14724), (1440, 14315), (1575, 13088), (1636, 12600), (1680, 12270), (1800, 11452), (2016, 10225), (2045, 10080), (2100, 9816), (2400, 8589), (2454, 8400), (2520, 8180), (2800, 7362), (2863, 7200), (3150, 6544), (3272, 6300), (3360, 6135), (3600, 5726), (3681, 5600), (4090, 5040), (4200, 4908)]